CROHNAX 250 mg Suppositories

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Doctor
5.0(11)

Anna Biriukova

Gastroenterology6 years of experience

Dr Anna Biriukova is an internal medicine doctor with clinical experience in cardiology, endocrinology, and gastroenterology. She provides online consultations for adults, offering expert medical support for heart health, hormonal balance, digestive issues, and general internal medicine.

Cardiology – Diagnosis and treatment of:

  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
  • Leg swelling, chronic fatigue, reduced exercise tolerance.
  • EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
  • Post-COVID-19 cardiac monitoring and care.
Endocrinology – Diabetes, thyroid, metabolism:
  • Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
  • Individual treatment plans including oral medications and insulin therapy.
  • GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
  • Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
  • Metabolic syndrome – obesity, lipid disorders, insulin resistance.
Gastroenterology – Digestive health:
  • Abdominal pain, nausea, heartburn, gastroesophageal reflux (GERD).
  • Stomach and intestinal conditions: gastritis, irritable bowel syndrome (IBS), indigestion.
  • Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).
General internal medicine and preventive care:
  • Respiratory infections – cough, colds, bronchitis.
  • Lab test analysis, therapy adjustments, medication management.
  • Adult vaccinations – planning, contraindications assessment.
  • Cancer prevention – screening strategies and risk assessment.
  • Holistic approach – symptom relief, complication prevention, and quality of life improvement.
Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.
Book a video appointment
€66
This page is for general information. Consult a doctor for personal advice. Call emergency services if symptoms are severe.
About the medicine

How to use Crohnax

Contents of the leaflet

  1. Leaflet attached to the packaging: patient information
    1. Read the leaflet carefully before using the medicine, as it contains important information for the patient.
    2. Table of contents of the leaflet
  2. What is Crohnax and what is it used for
  3. Important information before using Crohnax
    1. When not to use Crohnax
    2. Warnings and precautions
    3. Crohnax and other medicines
    4. Pregnancy and breastfeeding
    5. Driving and operating machinery
  4. How to use Crohnax
    1. Using a higher dose of Crohnax than recommended
    2. Missing a dose of Crohnax
  5. Possible side effects
  6. How to store Crohnax
  7. Package contents and other information
    1. What Crohnax contains
    2. What Crohnax looks like and what the package contains
    3. Marketing authorization holder and manufacturer
    4. Date of the last update of the leaflet:

Leaflet attached to the packaging: patient information

CROHNAX
250 mg
suppositories
Mesalazine

Read the leaflet carefully before using the medicine, as it contains important information for the patient.

  • Keep this leaflet, so you can read it again if you need to.
  • If you have any doubts, consult your doctor or pharmacist.
  • This medicine has been prescribed specifically for you. Do not pass it on to others. The medicine may harm another person, even if their symptoms are the same.
  • If you experience any side effects, including those not listed in this leaflet, tell your doctor or pharmacist. See section 4.

Table of contents of the leaflet

  • 1. What is Crohnax and what is it used for
  • 2. Important information before using Crohnax
  • 3. How to use Crohnax
  • 4. Possible side effects
  • 5. How to store Crohnax
  • 6. Package contents and other information

1. What is Crohnax and what is it used for

Crohnax is an anti-inflammatory medicine used to treat exacerbations and prevent relapses of ulcerative colitis with changes localized in the rectum.

Doctor consultation

Not sure if this medicine is right for you?

Discuss your symptoms and treatment with a doctor online.

2. Important information before using Crohnax

When not to use Crohnax

Do not use Crohnax if you have:

  • hypersensitivity (allergy) to mesalazine;
  • hypersensitivity (allergy) to any other component of this medicine (listed in section 6);
  • hypersensitivity (allergy) to salicylic acid and its derivatives, which are contained in painkillers and used for colds;
  • severe kidney or liver disorders;
  • active gastric or duodenal ulcer disease;
  • blood coagulation disorders. This medicine should not be used in children under 12 years of age, due to the lack of data on safety and efficacy in this age group.

Warnings and precautions

Before starting treatment with Crohnax, inform your doctor about any past or current kidney and/or liver disease, lung disease, especially asthma, and hypersensitivity (allergy) to sulfasalazine. Discuss this with your doctor before starting treatment. During treatment, your doctor may recommend blood and urine tests.

Crohnax and other medicines

Tell your doctor or pharmacist about all medicines you are currently taking or have recently taken, as well as any medicines you plan to take. In particular, inform your doctor about taking:

  • medicines used to reduce blood clotting, thin the blood (coumarin derivatives, acenocoumarol);
  • medicines with strong anti-allergic, anti-inflammatory effects (glucocorticosteroids);
  • medicines used to treat diabetes (sulfonylurea derivatives);
  • a medicine used to treat cancer, psoriasis, and rheumatoid diseases (methotrexate);
  • medicines used to treat gout (probenecid or sulfinpyrazone);
  • medicines with diuretic effects, lowering blood pressure (furosemide, spironolactone);
  • a medicine used to treat tuberculosis (rifampicin);
  • medicines used after organ transplants, suppressing the immune system (azathioprine, 6-mercaptopurine).

Pregnancy and breastfeeding

The use of Crohnax in pregnant and breastfeeding women is decided by the doctor.

Driving and operating machinery

Crohnax does not affect the ability to drive and operate machinery.

3. How to use Crohnax

Use Crohnax as directed by your doctor. The medicine is intended for rectal administration. Unless your doctor advises otherwise, use 2 suppositories (500 mg) twice a day, in the morning and evening, for exacerbations. For relapse prevention, use 1 suppository (250 mg) twice a day. The duration of treatment is determined by your doctor, usually lasting 8-12 weeks. If you have any doubts about using the medicine, consult your doctor.

No cases of overdose have been reported. If you take more than the recommended dose, consult your doctor or pharmacist.

Missing a dose of Crohnax

Take the missed dose as soon as possible. Do not take a double dose to make up for the missed dose.

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

4. Possible side effects

Like all medicines, Crohnax can cause side effects, although not everybody gets them. Common side effects (occurring in 1 to 10 people out of 100):

  • nervous system disorders: dizziness;
  • general disorders and administration site conditions: feeling tired, weakness, malaise.

Uncommon side effects (occurring in 1 to 10 people out of 10,000):

  • gastrointestinal disorders: abdominal pain, nausea, vomiting;
  • Rare side effects (occurring in less than 1 person out of 10,000):
  • renal and urinary disorders: acute and chronic interstitial nephritis, renal failure;
  • general disorders and administration site conditions: drug fever, skin reactions;
  • skin and subcutaneous tissue disorders: hair loss;
  • hepatic and biliary disorders: toxic liver damage;
  • gastrointestinal disorders: acute pancreatitis;
  • respiratory, thoracic, and mediastinal disorders: interstitial lung disease, bronchospasm, respiratory reactions;
  • blood and lymphatic system disorders: aplastic anemia, agranulocytosis, pancytopenia, neutropenia, leukopenia, thrombocytopenia;
  • cardiac disorders: myocarditis, pericarditis.

If you experience any side effects, stop using the medicine. Side effects can be reported to a healthcare professional, the marketing authorization holder, or the President of the Office for Registration of Medicinal Products, Medical Devices, and Biocidal Products, [current address, phone number, and fax, email address].

5. How to store Crohnax

Keep the medicine out of sight and reach of children. Store in a temperature below 25°C. Do not use after the expiration date stated on the packaging.

6. Package contents and other information

What Crohnax contains

The active substance of the medicine is mesalazine. The excipient is solid fat.

What Crohnax looks like and what the package contains

The medicine is in the form of suppositories packaged in blisters and a cardboard box. The package contains 30 suppositories.

Marketing authorization holder and manufacturer

Farmina sp. z o.o.
ul. Lipska 44
30-721 Kraków

Date of the last update of the leaflet:

  • Crohnax
  • Country of registration
  • Dosage form
    Suppositories, 250 mg
  • ATC code
    A07EC02
  • Active substance
  • Prescription required
    Yes
  • Manufacturer
  • Importer
    Farmina Sp. z o.o.
  • Alternatives to Crohnax
    Dosage form: Tablets, 250 mg
    Active substance: mesalazine
    Prescription required
    Dosage form: Suppositories, 250 mg
    Active substance: mesalazine
    Manufacturer: Temmler Italia S.R.L.
    Prescription required
    Dosage form: Tablets, 500 mg
    Active substance: mesalazine
    Prescription required

Online doctors for Crohnax

Discuss questions about Crohnax, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

Doctor
5.0(11)

Anna Biriukova

Gastroenterology6 years of experience

Dr Anna Biriukova is an internal medicine doctor with clinical experience in cardiology, endocrinology, and gastroenterology. She provides online consultations for adults, offering expert medical support for heart health, hormonal balance, digestive issues, and general internal medicine.

Cardiology – Diagnosis and treatment of:

  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
  • Leg swelling, chronic fatigue, reduced exercise tolerance.
  • EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
  • Post-COVID-19 cardiac monitoring and care.
Endocrinology – Diabetes, thyroid, metabolism:
  • Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
  • Individual treatment plans including oral medications and insulin therapy.
  • GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
  • Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
  • Metabolic syndrome – obesity, lipid disorders, insulin resistance.
Gastroenterology – Digestive health:
  • Abdominal pain, nausea, heartburn, gastroesophageal reflux (GERD).
  • Stomach and intestinal conditions: gastritis, irritable bowel syndrome (IBS), indigestion.
  • Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).
General internal medicine and preventive care:
  • Respiratory infections – cough, colds, bronchitis.
  • Lab test analysis, therapy adjustments, medication management.
  • Adult vaccinations – planning, contraindications assessment.
  • Cancer prevention – screening strategies and risk assessment.
  • Holistic approach – symptom relief, complication prevention, and quality of life improvement.
Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.
Book a video appointment
€66
Doctor
5.0(36)

Andrei Popov

General medicinePain medicine7 years of experience

Dr. Andrei Popov is a family physician with specialized training in the management of chronic pain. He provides video consultations for adults in Spain and across Europe: whether you have been living with pain for months that no one has been able to properly explain, or you need to resolve a health issue without waiting weeks for an appointment.

His approach is clear: to listen, organize your case, and provide you with a practical roadmap based on evidence-based medicine and adapted to your medical history and personal needs.

Pain: how he can help

  • Chronic pain (more than 3 months
  • Migraine and recurrent or high-intensity headaches
  •  Neck, lower back, back and joint pain
  •  Post-traumatic pain after injuries or surgeries
  •  Pain of neurological origin: neuralgia, neuropathic pain, fibromyalgia

General medicine

  • Frequent respiratory infections (cold, flu, persistent cough)
  • Hypertension, diabetes and metabolic disorders
  • Review of laboratory tests and MRI/CT reports (explained in clear language)
  • Preventive medicine and health monitoring
  • Second opinions and treatment adjustments (when clinically appropriate)

What the consultation is like
 Each session lasts up to 30 minutes. We review symptoms, medical history, medications and any tests you provide, and you finish the consultation with a clear treatment plan, defined next steps, and criteria to understand when follow-up may be needed. If warning signs are detected, he will clearly advise whether you need in-person care or urgent medical attention.

Book a video appointment
€86
Doctor
5.0(19)

Nuno Tavares Lopes

Family medicineGeneral medicine18 years of experience

Dr. Nuno Tavares Lopes is a licensed physician in Portugal with 17 years of experience in emergency medicine, family and general practice, and public health. He is the Director of Medical and Public Health Services at an international healthcare network and serves as an external consultant for the WHO and ECDC.

  • Emergency care: infections, fever, chest/abdominal pain, minor injuries, paediatric emergencies
  • Family medicine: hypertension, diabetes, cholesterol, chronic disease management
  • Travel medicine: pre-travel advice, vaccinations, fit-to-fly certificates, travel-related illnesses
  • Sexual and reproductive health: PrEP, STD prevention, counselling, treatment
  • Weight management and wellness: personalised weight loss programmes, lifestyle guidance
  • Skin and ENT issues: acne, eczema, allergies, rashes, sore throat, sinusitis
  • Pain management: acute and chronic pain, post-surgical care
  • Public health: prevention, health screenings, long-term monitoring
  • Sick leave (Baixa médica) connected to Segurança Social in Portugal
  • IMT medical certificates for driving licence exchange
Dr. Nuno Tavares Lopes provides medical support for patients using GLP-1 medications (Mounjaro, Wegovy, Ozempic, Rybelsus) as part of a weight loss strategy. He offers individualised treatment planning, regular follow-up, dose adjustment, and advice on combining medication with sustainable lifestyle changes. Consultations follow the medical standards accepted in Europe.

Dr. Lopes also provides interpretation of medical tests, follow-up care for complex patients, and multilingual support. Whether for urgent concerns or long-term care, he helps patients act with clarity and confidence.

Book a video appointment
€70

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Electronic prescription sent to your email — valid across Spain.

Frequently Asked Questions

Is a prescription required for Crohnax?

Crohnax requires a prescription in Poland. You can check with a doctor online whether this medicine may be appropriate for your situation.

What is the active substance in Crohnax?

The active ingredient in Crohnax is mesalazine. This information helps identify medicines with the same composition but different brand names.

Who manufactures Crohnax?

Crohnax is manufactured by Farmina Sp. z o.o.. Pharmacy brands and packaging may differ depending on the distributor.

Which doctors can assess the use of Crohnax online?

Doctors such as Family doctors, Psychiatrists, Dermatologists, Cardiologists, Endocrinologists, Gastroenterologists, Pulmonologists, Nephrologists, Rheumatologists, Hematologists, Infectious disease physicians, Allergists, Geriatricians, Paediatricians, Oncologists may assess whether Crohnax is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.

How to buy Crohnax in Spain?

Spain has a well-developed healthcare infrastructure across major cities such as Madrid, Barcelona, Valencia, and Seville. Pharmacies are widely available and operate under strict regulations, ensuring access to prescribed medications.

You can buy Crohnax in Madrid, Barcelona, Seville, or Valencia at any local pharmacy with a valid prescription.

To obtain a prescription, you can use Oladoctor:

What are the alternatives to Crohnax?

Other medicines with the same active substance (mesalazine) include Asamax 250, Asamax 250, Asamax 500. These may have different brand names or formulations but contain the same therapeutic ingredient. Always consult a doctor before switching or starting a new medicine.

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